R.A. Colby, Inc.
PO Box 4058
Johnson City, TN 37602
ph: 423-282-4473
info@racolby.com
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RA Colby Organbuilder


Halving: 17th
Ears: 1-36
Ear Depth: 15mm
Skiving: Outer
Material: Spotted (1-5 Zinc)
Slotting: 1-36
Ratio to Top of Slot: 1/3
Ratio of Slot Width: 2/5
Tuner Style: Slot/Collar
Compass: 1-61

Pipe# C1 C2 C3 C4 C5 C6 C7
Scale 64 75 30mm 20mm 18mm 8mm  
Mouth Width Ratio 1/4 1/4 1/4 1/4 1/4 1/4  
Mouth Width mm 45 30 24 16 8 5  
Cut Up mm 15 8 10 5 3 1.5  
Cut Up Ratio 1/3 1/3 1/3 1/3 1/3 1/3  
# nicks in languid 25 19 17 17 14 11  
Tuned Length" 45.5 22 23.25 12.5 5.6 2.75  
Total Pipe Height" 58.25 31.75 32.25 19 11.75 9  
Toe Hole Dia mm 8 6 7 4 4 2  
Roller Beard Dia"              
Wind Way"              
Metal Thickness" .04 .025 .021 .021 .017 .012  
Hook Heights"              



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4' Harmonic Flute
• Hook & Hastings
• 64 scale
• 61 pipes

• $1350 + shipping/handling

• KB03.11-90